Guaranteed success

Just as there’s only one way to fail, there’s just one thing which, if you do it, guarantees that you'll succeed at learning another language. It's simply to continue. 

Continue. Make progress. Take baby steps. Place one foot in front of the other. 

That’s something I have experience of—on the road, and barefooted and all. 

‘Oh but it takes so long!’ (How long ought it to take?) 

‘Oh, but it’s so difficult!’ (Why take such large bites?) 

‘I’ll never get there!’ (No, not until you do.)

Are you telling me, or are you telling yourself?